lastly, disinfect. >> reporter: things are likely only to get worse. there's still five more weeks before the end of the flu season. diana perez, abc news, new york. >> unbelievable. but again, i'm surprised so many people didn't get the flu shot. children, i mean, my aunt is a teacher in manhattan. she was saying almost half of her class is out with the flu. >> incredible. listen to this. this i found incredible. this story that came out. a new jersey 4-year-old has been home from school since thursday. not because he's sick but because his parents refuse to give him the shot and the school is like, until you get one, do not come back in these halls. so the kid is not sick, but the school is keeping him at home because he has not gotten the shot yet. >> i wonder why parents don't want to give their children the flu shot. there are all these urban legends out there that say you'll get sick from the flu shot. but that's just really not true. i mean, i made sure my children had it. >> it's crazy. but apparently this young man that i was talking about has